<template>
	<view class="normal-login-container">
		<view class="logo-content align-center justify-center flex">
			<image style="width: 100rpx;height: 100rpx;" :src="globalConfig.config.appInfo.logo" mode="widthFix">
			</image>
			<text class="title">登录</text>
		</view>
		<view class="login-form-content">
			<view class="input-item flex align-center">
				<view class="iconfont icon-user icon"></view>
				<input v-model="loginForm.userName" class="input" type="text" placeholder="请输入账号" maxlength="30" />
			</view>
			<view class="input-item flex align-center">
				<view class="iconfont icon-password icon"></view>
				<input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
			</view>
			<view class="input-item flex align-center" style="width: 60%;margin: 0px;" v-if="captchaEnabled">
				<view class="iconfont icon-code icon"></view>
				<input v-model="loginForm.captcha" type="text" class="input" placeholder="请输入验证码" maxlength="4" />
				<view class="login-code">
					<image :src="codeUrl" @click="getCode" class="login-code-img"></image>
				</view>
			</view>
			<view class="action-btn">
				<button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
			</view>
			<view class="reg text-center" v-if="register">
				<text class="text-grey1">没有账号？</text>
				<text @click="handleUserRegister" class="text-blue">立即注册</text>
			</view>
			<view class="xieyi text-center">
				<text class="text-grey1">登录即代表同意</text>
				<text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
				<text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
			</view>
		</view>

	</view>
</template>

<script setup>
	import {ref, reactive, onMounted , inject, getCurrentInstance} from 'vue';
	import { useStore } from 'vuex';
	import {getCodeImg} from '@/api/login'
	import storage from '@/utils/storage';
	
	// 获取全局配置
	const { appContext } = getCurrentInstance();
	const $tab = appContext.config.globalProperties.$tab;
	const $modal = appContext.config.globalProperties.$modal;

	// 获取store实例
	const $store = useStore();
	const codeUrl = ref("");
	const captchaEnabled = ref(true);
	const register = ref(true); // 用户注册开关
	const globalConfig = inject('globalData')
	const loginForm = reactive({
		userName: "admin",
		password: "admin123",
		captcha: "",
		uuid: '',
		userType: 0
	})

	// 生命周期钩子
	onMounted(() => {
		getCode();
	});
	

	// 用户注册
	const handleUserRegister = () => {
		$tab.redirectTo(`/pages/register/register`)
	};

	// 隐私协议
	const handlePrivacy = () => {
		let site = globalConfig.appInfo.agreements[0]
		$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
	};

	// 用户协议
	const handleUserAgrement = () => {
		let site = globalConfig.appInfo.agreements[1]
		$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
	};

	// 获取图形验证码
	const getCode = () => {
		getCodeImg({grantType: 'uuid'}).then(res => {
			captchaEnabled.value = res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled
			if (captchaEnabled) {
				codeUrl.value = 'data:image/gif;base64,' + res.data.img
				loginForm.uuid = res.data.uuid
			}
		});
	};

	// 登录方法
	const handleLogin = async () => {
		if (loginForm.username === "") {
			$modal.msgError("请输入您的账号")
		} else if (loginForm.password === "") {
			$modal.msgError("请输入您的密码")
		} else if (loginForm.captcha === "" && captchaEnabled) {
			$modal.msgError("请输入验证码")
		} else {
			$modal.loading("登录中，请耐心等待...")
			pwdLogin()
		}
	};

	// 密码登录
	const pwdLogin = async () => {
		$store.dispatch('Login', loginForm).then(() => {
			$modal.closeLoading()
			loginSuccess()
		}).catch(() => {
			if (captchaEnabled) {
				getCode()
			}
		})
	};

	// 登录成功后，处理函数
	const loginSuccess = (result) => {
		// 设置用户信息
		$store.dispatch('GetInfo').then(res => {
			$tab.reLaunch('/pages/index/index')
		})
	};
</script>

<style lang="scss">
@import url("login.scss");
</style>